CVE-2025-41693— Authenticated Denial-of-Service via SSH
Quick assessment
Affected
Phoenix Contact FL SWITCH 2005
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
PHOENIX CONTACT FL SWITCH是德国菲尼克斯电气（PHOENIX CONTACT）公司的一款工业级以太网交换机。 PHOENIX CONTACT FL SWITCH 3.50之前版本存在安全漏洞，该漏洞源于SSH功能允许执行命令，可能导致管理功能性能下降。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-41693
Vulnerability Information
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Vulnerability Title
Authenticated Denial-of-Service via SSH
Source: CVE Program / CVE List V5
Vulnerability Description
A low privileged remote attacker can use the ssh feature to execute commands directly after login. The process stays open and uses resources which leads to a reduced performance of the management functions. Switching functionality is not affected.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
PHOENIX CONTACT FL SWITCH 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PHOENIX CONTACT FL SWITCH是德国菲尼克斯电气（PHOENIX CONTACT）公司的一款工业级以太网交换机。 PHOENIX CONTACT FL SWITCH 3.50之前版本存在安全漏洞，该漏洞源于SSH功能允许执行命令，可能导致管理功能性能下降。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2025-41693
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2025-41693 (1)
Same Patch Batch · Phoenix Contact · 2025-12-09 · 14 CVEs total
| CVE-2025-41695 | 7.1 HIGH | Reflected XSS vulnerability in dyn_conn.php |
| CVE-2025-41749 | 7.1 HIGH | Reflected XSS vulnerability in port_util.php |
| CVE-2025-41751 | 7.1 HIGH | Reflected XSS vulnerability in pxc_portCntr.php |
| CVE-2025-41746 | 7.1 HIGH | Reflected XSS vulnerability in pxc_portSecCfg.php |
| CVE-2025-41745 | 7.1 HIGH | Reflected XSS vulnerability in pxc_portCntr2.php |
| CVE-2025-41750 | 7.1 HIGH | Reflected XSS vulnerability in pxc_PortCfg.php |
| CVE-2025-41747 | 7.1 HIGH | Reflected XSS vulnerability in pxc_vlanIntfCfg.php |
| CVE-2025-41748 | 7.1 HIGH | Reflected XSS vulnerability in pxc_Dot1xCfg.php |
| CVE-2025-41752 | 7.1 HIGH | Reflected XSS vulnerability in pxc_portSfp.php |
| CVE-2025-41692 | 6.8 MEDIUM | Weak/Predictable root Password |
| CVE-2025-41697 | 6.8 MEDIUM | Shell access to UART Console |
| CVE-2025-41694 | 6.5 MEDIUM | Authenticated Denial-of-Service via Webshell |
| CVE-2025-41696 | 4.6 MEDIUM | Hardcoded User Password |
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V. Comments for CVE-2025-41693
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